Merge pull request #320 from Knhash/patch-1

Update c++.cpp to be simpler

c/c++.cpp

@@ -1,8 +1,9 @@
 #include <iostream>
-#include <cstdlib>
+
+using namespace std;
 
 int main()
 {
-	std::cout << "Hello World" << std::endl;
+   cout << "Hello World" << endl; 
-	return EXIT_SUCCESS;
+   return 0;
 }